CERN Accelerating science

CERN Document Server 11 εγγραφές βρέθηκαν  1 - 10επόμενο  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.64 δευτερόλεπτα. 
1.
Measurements of $W^+W^-+\ge 1$ jet production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Fiducial and differential measurements of $W^+W^-$ production in events with at least one hadronic jet are presented. These cross-section measurements are sensitive to the properties of electroweak-boson self-interactions and provide a test of perturbative quantum chromodynamics and the electroweak theory. [...]
arXiv:2103.10319; CERN-EP-2021-030.- Geneva : CERN, 2021 - 58 p. - Published in : JHEP 2106 (2021) 003 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
2.
Evidence for Higgs boson decays to a low-mass dilepton system and a photon in pp collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the Higgs boson decaying into a photon and a pair of electrons or muons with an invariant mass $m_{\ell\ell} < 30$ GeV is presented. The analysis is performed using 139 fb$^{-1}$ of proton-proton collision data, produced by the LHC at a centre-of-mass energy of 13 TeV and collected by the ATLAS experiment. [...]
arXiv:2103.10322; CERN-EP-2021-035.- Geneva : CERN, 2021-05-31 - 39 p. - Published in : Phys. Lett. B 819 (2021) 136412 Article from SCOAP3: PDF; Fulltext: 2103.10322 - PDF; ANA-HIGG-2018-43-PAPER - PDF; External link: Previous draft version
3.
Search for new phenomena in events with an energetic jet and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Results of a search for new physics in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 139 fb$^{-1}$ at a center-of-mass energy of 13 TeV collected in the period 2015-2018 with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2102.10874; CERN-EP-2020-238.- Geneva : CERN, 2021-06-10 - 40 p. - Published in : Phys. Rev. D 103 (2021) 112006 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
4.
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 $pp$ collision data set at $\sqrt{s}=13$ TeV / ATLAS Collaboration
This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected between 2015 and 2018 during Run 2 of the LHC. The increased instantaneous luminosity delivered by the LHC over this period required a reoptimisation of the criteria for the identification of prompt muons. [...]
arXiv:2012.00578; CERN-EP-2020-199.- Geneva : CERN, 2021-07-05 - 44 p. - Published in : Eur. Phys. J., C 81 (2021) 578 Fulltext: 2012.00578 - PDF; document - PDF; Fulltext from publisher: PDF; External link: Previous draft version
5.
New approaches using machine learning for fast shower simulation in ATLAS / Hasib, Ahmed (University of Edinburgh) ; Schaarschmidt, Jana (Department of Physics, University of Washington, Seattle) ; Gadatsch, Stefan (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) ; Golling, Tobias (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) ; Salamani, Dalila (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) ; Ghosh, Aishik (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Rousseau, David (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Cranmer, Kyle (Department of Physics, New York University) ; Stewart, Graeme (European Laboratory for Particle Physics, CERN) ; Louppe, Gilles Claude (Department of Physics, New York University) /ATLAS Collaboration
Modeling the detector response to collisions is one of the most CPU expensive and time-consuming aspects in the LHC. The current ATLAS baseline, GEANT4, is highly CPU intensive. [...]
ATL-SOFT-SLIDE-2018-464.- Geneva : CERN, 2018 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
6.
Measurements of ttbar+X using the ATLAS detector / Hasib, Ahmed (University of Edinburgh) /ATLAS Collaboration
The large centre-of-mass energy available at the proton-proton collider LHC allows for the copious production of top quark pairs in association with other final state particles at high transverse momenta. The ATLAS experiment has measured several final state observables that are sensitive to additional radiation in top anti-top quark final states. [...]
ATL-PHYS-SLIDE-2018-202.- Geneva : CERN, 2018 - 23 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : XXVI International Workshop on Deep Inelastic Scattering and Related Subjects, Kobe, Hyogo, Japan, 16 - 20 Apr 2018
7.
The new ATLAS Fast Calorimeter Simulation / Hasib, Ahmed (University of Edinburgh) /ATLAS Collaboration
Producing the very large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of reducing CPU requirements when detailed detector simulations are not needed. [...]
ATL-SOFT-SLIDE-2017-446.- Geneva : CERN, 2017 - 35 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : XXIX IUPAP Conference on Computational Physics, Paris, France, 9 - 13 Jul 2017
8.
Top quark pair production cross section measurements with the ATLAS detector / Hasib, A. (Oklahoma State U.)
Measurements of the inclusive and the differential top quark pair production cross sections in proton-proton collisions at the center of mass energy of 8 and 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2016-085.
- 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
9.
Top quark pair­production cross­ section measurements with the ATLAS detector / Hasib, A. (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
Measurements of the inclusive and differential top­quark pair cross sections in proton­proton collisions at both 8 and 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. The inclusive measurements reach high precision and are compared to the best available theoretical calculations. [...]
ATL-PHYS-SLIDE-2016-168.- Geneva : CERN, 2016 - 25 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016
10.
Search for Direct Pair Production of Top Squark in the Final State of Two Tau Leptons at ATLAS / Hasib, A. (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
The first hadron collider search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino is performed using data from proton--proton collision at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-205.
- 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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